FRANK FREMMEL, M.D.; KARL J. HENRICHSEN, M.D.; HENRY C. SWEANY, M.D.
Since Weichselbaum's1 work in 1886, it has been known that the micro-organism described by Friedländer2 in 1882-3, can cause pulmonary disease sui generis. Friedländer's conception, however, that it was the cause of all pneumonias, was disproved by Fränkel just prior to Weichselbaum's report. On the other hand, Fränkel considered the micro-organism only a secondary invader and not the primary cause of any pneumonia—a conception that was also partially erroneous, and one that divided medical opinion for many years.
Sisson and Thompson3 emphasized this and pointed out that Osler as late as 1912 expressed Fränkel's view in his text book on
FREMMEL F, HENRICHSEN KJ, SWEANY HC. Pulmonary Infections by the Friedländer's Bacillus (Bacillus Mucosus Capsulatus)12. Ann Intern Med. 1932;5:886–894. doi: 10.7326/0003-4819-5-7-886
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Published: Ann Intern Med. 1932;5(7):886-894.
Infectious Disease, Mycobacterial Infections.
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